Vulnerability Details : CVE-2022-34391
Dell Client BIOS Versions prior to the remediated version contain an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.
Vulnerability category: Overflow
Products affected by CVE-2022-34391
- cpe:2.3:o:dell:alienware_area-51_r5_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:dell:alienware_area-51_r4_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-34391
0.02%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 3 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-34391
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H |
0.8
|
6.0
|
Dell |
CWE ids for CVE-2022-34391
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: security_alert@emc.com (Secondary)
References for CVE-2022-34391
-
https://www.dell.com/support/kbdoc/000203882
DSA-2022-269: Dell Client Platform BIOS Security Update for Alienware Area-51 R4/R5 | Dell NederlandVendor Advisory
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